Home / 626,682.20-864,730.16-358,358.36

Finding the Fourth Proportional to 626,682.20, 864,730.16 and 358,358.36

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Solution

The fourth proportional to 626,682.20, 864,730.16 and 358,358.36 is: 494,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,682.20 : 864,730.16 = 358,358.36 : x
  2. Step 2: Convert to fraction form
    626,682.20/864,730.16 = 358,358.36/x
  3. Step 3: Cross multiply
    626,682.20x = 864,730.16 × 358,358.36
  4. Step 4: Simplify right side
    626,682.20x = 309,883,281,980.14
  5. Step 5: Solve for x
    x = 309,883,281,980.14/626,682.20
  6. Step 6: Final answer
    x = 494,482.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.